Sodium cyanide and lime consumption where well within acceptable levels at 0.24 to 0.32 kg/t and 0.7 to 1.5 kg/t, respectively. All of the samples were found to be non-refractory and appear to contain ...

Since 2017, Paramount Gold has been planning to use cyanide to extract gold and silver out of hundreds of acres of Eastern ...

Even though the Colorado Supreme Court last week rejected Summit County’s ban on cyanide-based gold mining, no one is expecting a rush of mining applications any time soon. “I think the chances are ...

In mining, cyanide spills can cause fish kills and other problems, most recently at a river in Ghana last week downstream from a gold mine. While cyanide in mining is nothing new, using heap leaching ...

DENVER—Invoking a 1992 pollution disaster, attorneys for Summit County told the state Supreme Court Tuesday that counties have the right to ban a cyanide-based gold mining technique if they believe it ...

Colorado counties have the authority to ban the use of cyanide in gold mining, the state Court of Appeals ruled Thursday. A three-judge panel upheld Summit County’s rule against the technique, ...

The Yukon government has found elevated levels of cyanide in a creek downstream from Victoria Gold Corp.’s Eagle Gold mine where a landslide occurred on Monday. Yukon’s energy and mines minister John ...

Dublin, Sept. 15, 2025 (GLOBE NEWSWIRE) -- The "2025 Gold Potassium Cyanide Market Outlook Report: Industry Size, Market Shares Data, Insights, Growth Trends, Opportunities, Competition 2024 to 2032" ...

Canada’s Yukon Territory said elevated levels of cyanide were detected in a waterway near Victoria Gold Corp.’s Eagle mine after an equipment failure and landslide at the site. Yukon Mining Minister ...